The closed design of the Hama HK-5618 headphones eliminate external disturbances to ensure that you can enjoy music or TV audio in uninterrupted comfort. Compatible with a range of hi-fi systems and televisions in addition to PCs and other devices supporting a 3.5mm audio jack, the HK5618 also comes complete with a 6.35mm adapter for further connection to stereo systems, mixing boards etc. and an extra long 2m cable capable of reaching across the room.